Supreme Court upholds meth conviction of California woman who claimed she was a ‘blind mule’

WASHINGTON — The Supreme Court on Thursday upheld the conviction of a California woman who said she did not know about a stash of methamphetamine hidden inside her car.

The 6-3 opinion came in a case that revolved around how much expert witnesses can say about a defendant’s mindset.

Delilah Guadalupe Diaz was sentenced to seven years in prison after on drug charges after Border Patrol agents discovered methamphetamine worth nearly $370,000 stashed inside the car door panel as she crossed the U.S.-Mexico border.

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Diaz contended the car belonged to a boyfriend and that she did not know the drugs were inside. Defense lawyers argued that she was a “blind mule,” a term for people used by cartels to smuggle drugs without their knowledge.

Prosecutors disagreed. They called as an expert witness a Homeland Security agent who testified that drug cartels do not usually send large quantities of drugs with people who are unaware of the contraband, though the agent acknowledged that has happened.